- 1775 to 17791
- 1780 to 17998
- 1800 to 181912
- 1820 to 18395
- 1840 to 18596
- 1860 to 18791
- 1880 to 18990
- 1900 to 19192
- 1920 to 19390
- 1940 to 19590
- 1960 to 19651
The preservation of the Duke University Libraries Digital Collections and the Duke Digital Repository programs are supported in part by the Lowell and Eileen Aptman Digital Preservation Fund